45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 5960-00-646-6303
NSN 6620-01-048-4145
NSN 5975-00-218-0414
NSN 6610-01-075-2233
NSN 5855-01-349-8583
NSN 6685-01-563-1007
NSN 6650-01-594-0680
NSN 5920-01-536-6445
NSN 5975-01-416-7332
NSN 6150-01-634-0575
NSN 6135-01-167-7604
NSN 7035-01-045-7202